The following video is part of our "Motley Fool Conversations" series, in which analyst John Reeves and advisor David Meier discuss topics across the investing world.

The price of oil has been falling recently, which has hurt the share prices of many energy stocks. SandRidge Energy is one company that David likes. It's a leading driller, which can deliver solid returns, even at lower oil prices. David's favorite idea, however, is Denbury Resources. The company uses CO2 to push leftover oil out of older wells. That brings extraction costs down, enabling the company to generate attractive returns at lower prices. The stock moves with the price of oil, so it can be volatile. But at today's prices, it looks very attractive for the long term.

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